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IBM System Storage DS8000 Host Attachment and Interoperability

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IBM System Storage DS8000 Host Attachment and Interoperability Front cover IBM System Storage DS8000 Host Attachment and Interoperability Learn how to attach DS8000 to open systems, IBM System z, and IBM i See how to gain maximum availability with multipathing Discover best practices and considerations for SAN boot Axel Westphal Bertrand Dufrasne Juan Brandenburg Jana Jamsek Kai Jehnen Steven Joseph Massimo Olivieri Ulrich Rendels Mario Rodriguez ibm.com/redbooks International Technical Support Organization IBM System Storage DS8000: Host Attachment and Interoperability February 2013 SG24-8887-01 Note: Before using this information and the product it supports, read the information in “Notices” on page ix. Second Edition (February 2013) This edition applies to the IBM System Storage DS8000 with licensed machine code (LMC) level 6.6.xxx.xx (bundle version 86.x.xxx.xx) and LMC level 7.6.xxx.xx. © Copyright International Business Machines Corporation 2011, 2013. All rights reserved. Note to U.S. Government Users Restricted Rights -- Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp. Contents Notices . ix Trademarks . .x Preface . xi The team who wrote this book . xi Now you can become a published author, too! . xiii Comments welcome. xiii Stay connected to IBM Redbooks . xiii Chapter 1. General considerations . 1 1.1 DS8000 general topics . 2 1.2 Client architecture overview . 3 1.3 SAN considerations. 3 1.4 Storage tiers . 3 Chapter 2. Open systems considerations . 5 2.1 Configuration resources . 6 2.1.1 IBM resources. 6 2.1.2 HBA vendor resources . 7 2.2 Using the DS8000 as a boot device . 8 2.2.1 Configuring the QLogic BIOS to boot from a DS8000 volume . 9 2.2.2 Next steps . 13 2.3 Additional supported configurations . 13 2.4 Multipathing support for Subsystem Device Drivers . 14 2.4.1 Subsystem Device Driver . 14 2.4.2 Other multipathing solutions . 15 Chapter 3. Windows considerations . 17 3.1 Attaching HBAs in Windows . 18 3.1.1 HBA and operating system settings . 18 3.1.2 SDD versus SDDDSM Multipath Drivers . 18 3.2 Installing SDD in Windows . 18 3.2.1 SDD datapath query . 20 3.2.2 Mapping SDD devices to Windows drive letters . 21 3.3 Clustering for Windows 2003 Server. 21 3.3.1 References . 22 3.3.2 SDD support . 22 3.4 Using Multipath Input/Output for Windows 2003 and 2008. 22 3.5 Partition alignment . 23 3.6 Installing and configuring SDDDSM in Windows 2003, 2008 . 23 3.6.1 SDDDSM for DS8000 . 23 3.6.2 SDDDSM datapath query . 25 3.6.3 Windows 2008 and SDDDSM. 26 3.7 Expanding dynamic disk for Windows 2003, Windows 2008 . 27 3.8 SAN boot support . 32 3.9 Windows Server 2003 Virtual Disk Service support . 32 3.9.1 VDS integration with DS8000 storage subsystems. 33 3.9.2 Volume Shadow Copy Service . 33 3.9.3 Required components. 34 © Copyright IBM Corp. 2011. All rights reserved. iii 3.10 Hyper-V considerations. 36 3.10.1 Hyper-V introduction . 36 3.10.2 Storage concepts for virtual machines . 37 3.10.3 Assigning a VHD to a virtual machine. 39 3.10.4 Assigning a pass-through disk to a virtual machine . 42 3.10.5 Cluster Shared Volume (CSV) . 44 3.10.6 Best practices . 45 Chapter 4. Virtual I/O Server considerations . 47 4.1 Working with IBM Virtual I/O Server . 48 4.2 Using VSCSI with IBM VIOS and DS8000 . 49 4.3 Using NPIV with IBM VIOS and DS8000 . 58 Chapter 5. AIX considerations . 61 5.1 Attaching native Fibre Channel . 62 5.1.1 Assigning volumes . 62 5.1.2 Using node port ID virtualization (NPIV) . 64 5.2 Attaching virtual SCSI . 65 5.3 Important additional considerations . 68 5.3.1 Queue depth tuning . 69 5.3.2 timeout_policy attribute . 70 5.3.3 max_xfer_size attribute. 71 5.3.4 Storage unit with multiple IBM Power Systems hosts running AIX . 71 5.4 Multipathing with AIX. 72 5.4.1 SDD for AIX . 72 5.4.2 SDDPCM for AIX . 74 5.5 Configuring LVM . 76 5.5.1 LVM striping . 76 5.5.2 Inter-physical volume allocation policy . ..
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